Michael Manganiello
801967a530
Upgrade to 1.21 as 1.20 is now unmaintained. Most changes are related to the new `slices` package from standard library, which can replace some existing custom functions.
251 lines
8.4 KiB
Go
251 lines
8.4 KiB
Go
package theme
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"image/color"
|
|
"log"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"slices"
|
|
"strings"
|
|
|
|
"github.com/dweymouth/supersonic/backend"
|
|
"github.com/dweymouth/supersonic/res"
|
|
|
|
"fyne.io/fyne/v2"
|
|
"fyne.io/fyne/v2/theme"
|
|
)
|
|
|
|
const (
|
|
ColorNameListHeader fyne.ThemeColorName = "ListHeader"
|
|
ColorNamePageBackground fyne.ThemeColorName = "PageBackground"
|
|
ColorNamePageHeader fyne.ThemeColorName = "PageHeader"
|
|
)
|
|
|
|
var (
|
|
AlbumIcon fyne.Resource = theme.NewThemedResource(res.ResDiscSvg)
|
|
ArtistIcon fyne.Resource = theme.NewThemedResource(res.ResPeopleSvg)
|
|
FavoriteIcon fyne.Resource = theme.NewThemedResource(res.ResHeartFilledSvg)
|
|
NotFavoriteIcon fyne.Resource = theme.NewThemedResource(res.ResHeartOutlineSvg)
|
|
NowPlayingIcon fyne.Resource = theme.NewThemedResource(res.ResHeadphonesSvg)
|
|
PlaylistIcon fyne.Resource = theme.NewThemedResource(res.ResPlaylistSvg)
|
|
ShareIcon fyne.Resource = theme.NewThemedResource(res.ResShareSvg)
|
|
ShuffleIcon fyne.Resource = theme.NewThemedResource(res.ResShuffleSvg)
|
|
TracksIcon fyne.Resource = theme.NewThemedResource(res.ResMusicnotesSvg)
|
|
GenreIcon fyne.Resource = theme.NewThemedResource(res.ResTheatermasksSvg)
|
|
FilterIcon fyne.Resource = theme.NewThemedResource(res.ResFilterSvg)
|
|
RepeatIcon fyne.Resource = theme.NewThemedResource(res.ResRepeatSvg)
|
|
RepeatOneIcon fyne.Resource = theme.NewThemedResource(res.ResRepeatoneSvg)
|
|
SortIcon fyne.Resource = theme.NewThemedResource(res.ResUpdownarrowSvg)
|
|
)
|
|
|
|
type AppearanceMode string
|
|
|
|
const (
|
|
AppearanceLight AppearanceMode = "Light"
|
|
AppearanceDark AppearanceMode = "Dark"
|
|
AppearanceAuto AppearanceMode = "Auto"
|
|
|
|
DefaultAppearance AppearanceMode = AppearanceDark
|
|
)
|
|
|
|
var (
|
|
normalFont fyne.Resource
|
|
boldFont fyne.Resource
|
|
)
|
|
|
|
type MyTheme struct {
|
|
NormalFont string
|
|
BoldFont string
|
|
config *backend.ThemeConfig
|
|
themeFileDir string
|
|
|
|
loadedThemeFilename string
|
|
loadedThemeFile *ThemeFile
|
|
defaultThemeFile *ThemeFile
|
|
}
|
|
|
|
var _ fyne.Theme = (*MyTheme)(nil)
|
|
|
|
func NewMyTheme(config *backend.ThemeConfig, themeFileDir string) *MyTheme {
|
|
m := &MyTheme{config: config, themeFileDir: themeFileDir}
|
|
var err error
|
|
if m.defaultThemeFile, err = DecodeThemeFile(bytes.NewReader(res.ResDefaultToml.StaticContent)); err != nil {
|
|
log.Fatalf("Failed to load builtin theme: %v", err.Error())
|
|
}
|
|
return m
|
|
}
|
|
|
|
func (m *MyTheme) Color(name fyne.ThemeColorName, _ fyne.ThemeVariant) color.Color {
|
|
// load theme file if necessary
|
|
if m.loadedThemeFile == nil || m.config.ThemeFile != m.loadedThemeFilename {
|
|
t, err := ReadThemeFile(path.Join(m.themeFileDir, m.config.ThemeFile))
|
|
if err == nil {
|
|
m.loadedThemeFile = t
|
|
} else {
|
|
log.Printf("failed to load theme file %q: %s", m.config.ThemeFile, err.Error())
|
|
m.loadedThemeFile = m.defaultThemeFile
|
|
}
|
|
m.loadedThemeFilename = m.config.ThemeFile
|
|
}
|
|
|
|
variant := m.getVariant()
|
|
thFile := m.loadedThemeFile
|
|
if !thFile.SupportsVariant(variant) {
|
|
thFile = m.defaultThemeFile
|
|
}
|
|
colors := thFile.DarkColors
|
|
defColors := m.defaultThemeFile.DarkColors
|
|
if variant == theme.VariantLight {
|
|
colors = thFile.LightColors
|
|
defColors = m.defaultThemeFile.LightColors
|
|
}
|
|
switch name {
|
|
case ColorNameListHeader:
|
|
return colorOrDefault(colors.ListHeader, defColors.ListHeader, name, variant)
|
|
case ColorNamePageBackground:
|
|
return colorOrDefault(colors.PageBackground, defColors.PageBackground, name, variant)
|
|
case ColorNamePageHeader:
|
|
return colorOrDefault(colors.PageHeader, defColors.PageHeader, name, variant)
|
|
case theme.ColorNameBackground:
|
|
return colorOrDefault(colors.Background, defColors.Background, name, variant)
|
|
case theme.ColorNameButton:
|
|
return colorOrDefault(colors.Button, defColors.Button, name, variant)
|
|
case theme.ColorNameDisabled:
|
|
return colorOrDefault(colors.Disabled, defColors.Disabled, name, variant)
|
|
case theme.ColorNameDisabledButton:
|
|
return colorOrDefault(colors.DisabledButton, defColors.DisabledButton, name, variant)
|
|
case theme.ColorNameError:
|
|
return colorOrDefault(colors.Error, defColors.Error, name, variant)
|
|
case theme.ColorNameFocus:
|
|
return colorOrDefault(colors.Focus, defColors.Focus, name, variant)
|
|
case theme.ColorNameForeground:
|
|
return colorOrDefault(colors.Foreground, defColors.Foreground, name, variant)
|
|
case theme.ColorNameHover:
|
|
return colorOrDefault(colors.Hover, defColors.Hover, name, variant)
|
|
case theme.ColorNameHyperlink:
|
|
return colorOrDefault(colors.Hyperlink, defColors.Hyperlink, name, variant)
|
|
case theme.ColorNameInputBackground:
|
|
return colorOrDefault(colors.InputBackground, defColors.InputBackground, name, variant)
|
|
case theme.ColorNameInputBorder:
|
|
return colorOrDefault(colors.InputBorder, defColors.InputBorder, name, variant)
|
|
case theme.ColorNameMenuBackground:
|
|
return colorOrDefault(colors.MenuBackground, defColors.MenuBackground, name, variant)
|
|
case theme.ColorNameOverlayBackground:
|
|
return colorOrDefault(colors.OverlayBackground, defColors.OverlayBackground, name, variant)
|
|
case theme.ColorNamePlaceHolder:
|
|
return colorOrDefault(colors.Placeholder, defColors.Placeholder, name, variant)
|
|
case theme.ColorNamePressed:
|
|
return colorOrDefault(colors.Pressed, defColors.Pressed, name, variant)
|
|
case theme.ColorNamePrimary:
|
|
return colorOrDefault(colors.Primary, defColors.Primary, name, variant)
|
|
case theme.ColorNameScrollBar:
|
|
return colorOrDefault(colors.ScrollBar, defColors.ScrollBar, name, variant)
|
|
case theme.ColorNameSelection:
|
|
return colorOrDefault(colors.Selection, defColors.Selection, name, variant)
|
|
case theme.ColorNameSeparator:
|
|
return colorOrDefault(colors.Separator, defColors.Separator, name, variant)
|
|
case theme.ColorNameShadow:
|
|
return colorOrDefault(colors.Shadow, defColors.Shadow, name, variant)
|
|
case theme.ColorNameSuccess:
|
|
return colorOrDefault(colors.Success, defColors.Success, name, variant)
|
|
case theme.ColorNameWarning:
|
|
return colorOrDefault(colors.Warning, defColors.Warning, name, variant)
|
|
default:
|
|
return colorOrDefault("", "", name, variant)
|
|
}
|
|
}
|
|
|
|
func colorOrDefault(colorStr, defColorStr string, name fyne.ThemeColorName, variant fyne.ThemeVariant) color.Color {
|
|
if c, err := ColorStringToColor(colorStr); err == nil {
|
|
return c
|
|
}
|
|
if c, err := ColorStringToColor(defColorStr); err == nil {
|
|
return c
|
|
}
|
|
return theme.DefaultTheme().Color(name, variant)
|
|
}
|
|
|
|
func (m *MyTheme) Icon(name fyne.ThemeIconName) fyne.Resource {
|
|
return theme.DefaultTheme().Icon(name)
|
|
}
|
|
|
|
// Returns a map [themeFileName] -> displayName
|
|
func (m *MyTheme) ListThemeFiles() map[string]string {
|
|
files, _ := filepath.Glob(m.themeFileDir + "/*.toml")
|
|
result := make(map[string]string)
|
|
for _, filepath := range files {
|
|
if themeFile, err := ReadThemeFile(filepath); err == nil {
|
|
result[path.Base(filepath)] = themeFile.SupersonicTheme.Name
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
func (m *MyTheme) Font(style fyne.TextStyle) fyne.Resource {
|
|
switch style {
|
|
case fyne.TextStyle{}:
|
|
if m.NormalFont != "" && normalFont == nil {
|
|
if content, err := readTTFFile(m.NormalFont); err != nil {
|
|
m.NormalFont = ""
|
|
m.BoldFont = ""
|
|
} else {
|
|
normalFont = fyne.NewStaticResource("normalFont", content)
|
|
}
|
|
}
|
|
if normalFont != nil {
|
|
return normalFont
|
|
}
|
|
case fyne.TextStyle{Bold: true}:
|
|
if m.BoldFont != "" && boldFont == nil {
|
|
if content, err := os.ReadFile(m.BoldFont); err != nil {
|
|
m.BoldFont = ""
|
|
} else {
|
|
normalFont = fyne.NewStaticResource("boldFont", content)
|
|
}
|
|
}
|
|
if boldFont != nil {
|
|
return boldFont
|
|
}
|
|
if normalFont != nil {
|
|
return normalFont
|
|
}
|
|
}
|
|
return theme.DefaultTheme().Font(style)
|
|
}
|
|
|
|
func (m *MyTheme) Size(name fyne.ThemeSizeName) float32 {
|
|
return theme.DefaultTheme().Size(name)
|
|
}
|
|
|
|
func (m *MyTheme) getVariant() fyne.ThemeVariant {
|
|
v := DefaultAppearance // default if config has invalid or missing setting
|
|
if slices.Contains(
|
|
[]string{string(AppearanceLight), string(AppearanceDark), string(AppearanceAuto)},
|
|
m.config.Appearance) {
|
|
v = AppearanceMode(m.config.Appearance)
|
|
}
|
|
|
|
if AppearanceMode(v) == AppearanceDark {
|
|
return theme.VariantDark
|
|
} else if AppearanceMode(v) == AppearanceLight {
|
|
return theme.VariantLight
|
|
}
|
|
return fyne.CurrentApp().Settings().ThemeVariant()
|
|
}
|
|
|
|
func readTTFFile(filepath string) ([]byte, error) {
|
|
if !strings.HasSuffix(filepath, ".ttf") {
|
|
err := errors.New("only .ttf fonts are supported")
|
|
log.Printf("error loading custom font %q: %s", filepath, err.Error())
|
|
return nil, err
|
|
}
|
|
content, err := os.ReadFile(filepath)
|
|
if err != nil {
|
|
log.Printf("error loading custom font %q: %s", filepath, err.Error())
|
|
}
|
|
return content, err
|
|
}
|